﻿using System;

/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
namespace Sys.Workflow.Engine.Impl.Cmd
{
    using Sys.Workflow.Engine.Impl.Interceptor;
    using Sys.Workflow.Engine.Impl.Persistence.Entity;
    using System.Collections.Generic;

    /// 
    /// 
    [Serializable]
    public class GetChildExecutionsCmd : ICommand<IEnumerable<IExecutionEntity>>
    {
        private const long serialVersionUID = 1L;
        protected internal IExecutionEntity parent;

        public GetChildExecutionsCmd(IExecutionEntity parent)
        {
            this.parent = parent;
        }

        public virtual IEnumerable<IExecutionEntity> Execute(ICommandContext commandContext)
        {
            IExecutionEntityManager executionEntityManager = commandContext.ExecutionEntityManager;
            IEnumerable<IExecutionEntity> childExecutions = executionEntityManager.FindChildExecutionsByParentExecutionId(parent.Id);

            return childExecutions;
        }
    }
}